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Active pharmaceutical ingredient (API) impurities for research

All products contained in this category are intended for laboratory use only, and are not meant for human consumption.

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BrandProduct dataPurityPrice rangeEstimated delivery
TRC logo
6-Oxo Mometasone FuroateMometasone Furoate Impurity F
REF: TR-O858500CAS: 1305334-30-8 		- - -142.00 €~508.00 €Tue 29 Oct 24
TRC logo
(1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic Acid Methyl Ester
REF: TR-B121700CAS: 629652-40-0 		- - -319.00 €~2,109.00 €Tue 29 Oct 24
TRC logo
Formyl Ciprofloxacin
REF: TR-F698950CAS: 93594-39-9 		- - -178.00 €~519.00 €Tue 29 Oct 24
TRC logo
2-Methyllamotrigine Methanesulfonate
REF: TR-M315350CAS: 1152091-69-4 		- - -168.00 €~2,121.00 €Tue 29 Oct 24
TRC logo
(4S)-Pregabalin Amide Lactose Adduct
REF: TR-P217460CAS: 466678-44-4 		- - -321.00 €~2,079.00 €Tue 29 Oct 24
TRC logo
11-Oxo Fluticasone Propionate
REF: TR-O856860CAS: 1219174-94-3 		- - -316.00 €~2,084.00 €Tue 29 Oct 24
TRC logo
Folitixorin (~80%)(Mixture of Diastereomers)
REF: TR-F680350CAS: 3432-99-3 		- - -405.00 €~2,718.00 €Tue 29 Oct 24
TRC logo
7-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic Acid
REF: TR-A603780CAS: 172426-88-9 		- - -341.00 €~2,225.00 €Tue 29 Oct 24
TRC logo
cis-10-Hydroxy Nortriptyline
REF: TR-H948815CAS: 47132-19-4 		- - -301.00 €~2,044.00 €Tue 29 Oct 24
TRC logo
Zolpidem-d6 6-Carboxylic Acid
REF: TR-Z650012CAS: 1190014-62-0 		- - -480.00 €~3,198.00 €Tue 29 Oct 24
TRC logo
6α-Methyl Prednisolone 17-Deshydroxy 17β-Carboxylic Acid
REF: TR-M327485CAS: 229019-44-7 		- - -265.00 €~1,720.00 €Tue 29 Oct 24
TRC logo
1-[2-Amino-1-(4-methoxyphenyl)ethyl]cyclohexanol Hydrochloride
REF: TR-A611968CAS: 130198-05-9 		- - -91.00 €~173.00 €Tue 29 Oct 24
TRC logo
10-O-[(2R,3S)-3-(Benzoylamino)-2-hydroxy-3-phenylpropanoyl]-10-O-deacetylpaclitaxel
REF: TR-B207800CAS: 2157462-42-3 		- - -424.00 €~2,901.00 €Tue 29 Oct 24
TRC logo
∆6-Fulvestrant
REF: TR-F862530CAS: 2170200-14-1 		- - -452.00 €~3,098.00 €Tue 29 Oct 24
TRC logo
N6-Formyl-adenosine
REF: TR-F693455CAS: 6706-56-5 		- - -324.00 €~2,110.00 €Tue 29 Oct 24
TRC logo
2-(Cyanomethyl)indole
REF: TR-C981920CAS: 7210-27-7 		- - -244.00 €~1,638.00 €Tue 29 Oct 24
TRC logo
2-(2-Methoxyphenoxy)-1,3-propanediol
REF: TR-M271630CAS: 14007-09-1 		- - -346.00 €~2,335.00 €Tue 29 Oct 24
TRC logo
1-Chloroethyl Cyclohexyl Carbonate
REF: TR-C367640CAS: 99464-83-2 		- - -107.00 €~376.00 €Tue 29 Oct 24
TRC logo
5-Oxomefruside
REF: TR-O857850CAS: 14599-36-1 		- - -677.00 €~3,534.00 €Tue 29 Oct 24
TRC logo
10-Oxo Docetaxel
REF: TR-O855800CAS: 167074-97-7 		- - -233.00 €~3,212.00 €Tue 29 Oct 24
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6-Oxo Mometasone FuroateMometasone Furoate Impurity F
TRC logo
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6-Oxo Mometasone FuroateMometasone Furoate Impurity F

Controlled Product
CAS:1305334-30-8
Impurity Mometasone Furoate EP Impurity F Applications 6-Oxo Mometasone Furoate (Mometasone EP Impurity F) is …
Formula:
C27H28Cl2O7
Color and Shape:
Off White To Yellow
Molecular weight:
535.41

Ref: TR-O858500

10mg142.00 €
50mg508.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
discount label
(1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic…
TRC logo
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(1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic Acid Methyl Ester

Controlled Product
CAS:629652-40-0
Applications An intermediate in the preparation of cis-Tadalafil (T004520). A PDE5 inhibitor. References Beghyn, T. …
Formula:
C22H19ClN2O5
Color and Shape:
Off White Solid
Molecular weight:
426.85

Ref: TR-B121700

250mg319.00 €
2500mg2,109.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
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Formyl Ciprofloxacin
TRC logo
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Formyl Ciprofloxacin

Controlled Product
CAS:93594-39-9
Applications A metabolite of the fluorinated quinolone antibacterial Ciprofloxacin. References Tiefenbacher, E., et al.: J. …
Formula:
C18H18FN3O4
Color and Shape:
Neat
Molecular weight:
359.35

Ref: TR-F698950

5mg178.00 €
10mg207.00 €
25mg519.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
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2-Methyllamotrigine Methanesulfonate
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2-Methyllamotrigine Methanesulfonate

CAS:1152091-69-4
Applications 2-Methyl-Lamotrigine is an impurity of Lamotrigine (L173250), an anticonvulsant which inhibits glutamate release, possible …
Formula:
C10H9Cl2N5·CH4O3S
Color and Shape:
Off White Solid
Molecular weight:
366.22

Ref: TR-M315350

1mg168.00 €
50mg2,121.00 €
2500µg329.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
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discount label
(4S)-Pregabalin Amide Lactose Adduct
TRC logo
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(4S)-Pregabalin Amide Lactose Adduct

Controlled Product
CAS:466678-44-4
Stability Very Hygroscopic Applications PD 224378 is a lactose conjugate degradation product of pregabalin (P704800), …
Formula:
C20H35NO11
Color and Shape:
Neat
Molecular weight:
465.49

Ref: TR-P217460

1mg321.00 €
10mg2,079.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
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11-Oxo Fluticasone Propionate
TRC logo
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11-Oxo Fluticasone Propionate

Controlled Product
CAS:1219174-94-3
Impurity Fluticasone EP Impurity F Applications 11-Oxo Fluticasone Propionate is an impurity of Fluticasone Propionate …
Formula:
C25H29F3O5S
Color and Shape:
Off-White
Molecular weight:
498.56

Ref: TR-O856860

10mg316.00 €
100mg2,084.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
discount label
Folitixorin (~80%)(Mixture of Diastereomers)
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Folitixorin (~80%)(Mixture of Diastereomers)

CAS:3432-99-3
Stability Hygroscopic, Moisture Sensitive, Temperature Sensitive Applications A stable folate lyophilized compound suitable for use …
Formula:
C20H23N7O6
Color and Shape:
Neat
Molecular weight:
457.44

Ref: TR-F680350

5mg405.00 €
50mg2,718.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
discount label
7-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic Acid
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7-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic Acid

CAS:172426-88-9
Impurity Moxifloxacin 7-Amino Impurity Applications 7-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid is an impurity of Moxifloxacin (M745000), a fluorinated …
Formula:
C14H13FN2O4
Color and Shape:
White
Molecular weight:
292.26

Ref: TR-A603780

250mg341.00 €
2500mg2,225.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
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cis-10-Hydroxy Nortriptyline
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cis-10-Hydroxy Nortriptyline

CAS:47132-19-4
Applications A metabolite of Nortriptyline (N837000). References Callaghan, R., et al.: J. Biol. Chem., 268, …
Formula:
C19H21NO
Color and Shape:
Neat
Molecular weight:
279.38

Ref: TR-H948815

25mg2,044.00 €
2500µg301.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
discount label
Zolpidem-d6 6-Carboxylic Acid
TRC logo
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Zolpidem-d6 6-Carboxylic Acid

Controlled Product
CAS:1190014-62-0
Applications A major labelled metabolite of Zolpidem. References Crestani, F., et al.: Br. J. Pharmacol., …
Formula:
C19H13D6N3O3
Color and Shape:
Neat
Molecular weight:
343.41

Ref: TR-Z650012

1mg480.00 €
10mg3,198.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
discount label
6α-Methyl Prednisolone 17-Deshydroxy 17β-Carboxylic Acid
TRC logo
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6α-Methyl Prednisolone 17-Deshydroxy 17β-Carboxylic Acid

CAS:229019-44-7
Formula:
C21H28O4
Color and Shape:
White To Off-White
Molecular weight:
344.44

Ref: TR-M327485

10mg265.00 €
50mg1,009.00 €
100mg1,720.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
discount label
1-[2-Amino-1-(4-methoxyphenyl)ethyl]cyclohexanol Hydrochloride
TRC logo
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1-[2-Amino-1-(4-methoxyphenyl)ethyl]cyclohexanol Hydrochloride

Controlled Product
CAS:130198-05-9
Impurity Venlafaxine EP Impurity C Applications 1-[2-Amino-1-(4-methoxyphenyl)ethyl]cyclohexanol Hydrochloride (Venlafaxine EP Impurity C) possesses anti-depressant activity …
Formula:
C15H23NO2·ClH
Color and Shape:
White To Off-White
Molecular weight:
285.81

Ref: TR-A611968

5g91.00 €
10g117.00 €
25g173.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
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10-O-[(2R,3S)-3-(Benzoylamino)-2-hydroxy-3-phenylpropanoyl]-10-O-deacetylpaclitaxel
TRC logo
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10-O-[(2R,3S)-3-(Benzoylamino)-2-hydroxy-3-phenylpropanoyl]-10-O-deacetylpaclitaxel

Controlled Product
CAS:2157462-42-3
Applications 10-O-[(2R,3S)-3-(Benzoylamino)-2-hydroxy-3-phenylpropanoyl]-10-O-deacetylpaclitaxel is an impurity in the synthesis of Paclitaxel (P132500), an antineoplastic. Used in …
Formula:
C61H62N2O16
Color and Shape:
White To Off-White
Molecular weight:
1079.15

Ref: TR-B207800

1mg424.00 €
10mg2,901.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
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∆6-Fulvestrant
TRC logo
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∆6-Fulvestrant

Controlled Product
CAS:2170200-14-1
Impurity Fulvestrant Impurity E; Applications Fulvestrant (F862500) impurity E.
Formula:
C32H45F5O3S
Color and Shape:
Neat
Molecular weight:
604.75

Ref: TR-F862530

1mg452.00 €
10mg3,098.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
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N6-Formyl-adenosine
TRC logo
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N6-Formyl-adenosine

CAS:6706-56-5
Formula:
C11H13N5O5
Color and Shape:
Off White Solid
Molecular weight:
295.251

Ref: TR-F693455

1mg324.00 €
10mg2,110.00 €
2500µg655.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
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2-(Cyanomethyl)indole
TRC logo
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2-(Cyanomethyl)indole

Controlled Product
CAS:7210-27-7
Applications Intermediate in the preparation of carcinogenic indole derivatives. References Kato, M., et al.: Chem. …
Formula:
C10H8N2
Color and Shape:
Neat
Molecular weight:
156.18

Ref: TR-C981920

25mg244.00 €
250mg1,638.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
discount label
2-(2-Methoxyphenoxy)-1,3-propanediol
TRC logo
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2-(2-Methoxyphenoxy)-1,3-propanediol

CAS:14007-09-1
Impurity Guaifenesin EP Impurity B Applications 2-(2-Methoxyphenoxy)-1,3-propanediol is a impurity of Guaifenesin (G810502. Guaifenesin Impurity …
Formula:
C10H14O4
Color and Shape:
White
Molecular weight:
198.22

Ref: TR-M271630

50mg346.00 €
500mg2,335.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
discount label
1-Chloroethyl Cyclohexyl Carbonate
TRC logo
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1-Chloroethyl Cyclohexyl Carbonate

CAS:99464-83-2
Applications 1-Chloroethyl Cyclohexyl Carbonate is a genotoxic impurity used in the synthesis of Candesartan Cilexetil. …
Formula:
C9H15ClO3
Color and Shape:
Neat
Molecular weight:
206.67

Ref: TR-C367640

1g107.00 €
10g156.00 €
100g376.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
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5-Oxomefruside
TRC logo
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5-Oxomefruside

CAS:14599-36-1
Applications 5-Oxomefruside is a lactone metabolite and impurity of the drug Mefruside (M205150). References Puetter, …
Formula:
C13H17ClN2O6S2
Color and Shape:
Neat
Molecular weight:
396.87

Ref: TR-O857850

1mg677.00 €
5mg2,161.00 €
10mg3,534.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
discount label
10-Oxo Docetaxel
TRC logo
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10-Oxo Docetaxel

CAS:167074-97-7
Impurity Docetaxel EP Impurity B Stability Epimerize in solution Applications 10-Oxo Docetaxel (Docetaxel EP Impurity …
Formula:
C43H51NO14
Color and Shape:
White
Molecular weight:
805.86

Ref: TR-O855800

1mg233.00 €
25mg3,212.00 €
2500µg443.00 €
Estimated delivery in United States, on Tuesday 29 Oct 2024
+ info
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